C_ARSUM Ariba Supplier Management Practice Question
Exhibit
{"policy": "SupplierSelfService", "allowModification": false, "mandatoryFields": ["TaxID", "VendorName"], "validationRule": "IS_VALID_TAX_ID"}Refer to the exhibit. An administrator is troubleshooting why suppliers cannot update their Tax ID information. Based on the provided configuration, what is the most likely cause?
⚠ Common exam trap
Test-takers frequently assume network connectivity issues or user permission errors rather than looking closely at explicit rule configurations like 'allowModification' set to false.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy 'allowModification' is set to false, blocking all edits.
The exhibit shows a policy configuration where 'allowModification' is set to false. This prevents suppliers from editing their own profile data, which is a common security measure to ensure master data integrity. The administrator must verify if this policy is intended for the current project type. In Ariba Supplier Management, restrictive policies prevent data drift and ensure that all changes go through an internal audit process before being updated in the system.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The validation rule IS_VALID_TAX_ID is incorrectly formatted.
Why it's wrong here
The validation rule name is a reference to a system-defined function. While it could theoretically fail, the JSON clearly defines a policy restricting modifications entirely. If modification were allowed, the rule would trigger; however, since modification is disabled, the system blocks the update before checking the validation rule logic.
- ✓
The policy 'allowModification' is set to false, blocking all edits.
Why this is correct
Setting 'allowModification' to false acts as a hard gate for supplier self-service. This configuration ensures that internal teams maintain full control over sensitive master data updates. Suppliers attempting to edit these fields will find the interface read-only, preventing unauthorized changes that could impact tax compliance or payment processing.
- ✗
The TaxID field is missing from the supplier record.
Why it's wrong here
The JSON explicitly lists TaxID in the mandatoryFields array, indicating it is an existing, required field. The issue is not the presence of the field but the operational policy preventing the modification of that field by the supplier, regardless of whether it was previously populated or is currently empty.
- ✗
The system is experiencing a synchronization delay with the ERP.
Why it's wrong here
Synchronization delays with an ERP system would affect downstream data visibility, not the ability of a user to interact with a front-end configuration policy. The JSON clearly defines an explicit policy restriction that overrides any potential network or integration latency concerns, pointing directly to a configuration-based access control issue.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official SAP exam blueprint
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